From fb25078de10c8f764ccd8e30a18529dae1a2bc22 Mon Sep 17 00:00:00 2001
From: Kirill Kalishev <kirill.kalishev@jetbrains.com>
Date: Fri, 12 Feb 2010 13:04:29 +0300
Subject: [PATCH] exception processor for toolkit bugs + added bug 6857057

---
 .../src/com/intellij/ide/IdeEventQueue.java        |  6 +-
 .../src/com/intellij/ide/ToolkitBugsProcessor.java | 99 ++++++++++++++++++++++
 .../src/misc/registry.properties                   |  1 +
 3 files changed, 105 insertions(+), 1 deletion(-)
 create mode 100644 platform/platform-impl/src/com/intellij/ide/ToolkitBugsProcessor.java

diff --git a/platform/platform-impl/src/com/intellij/ide/IdeEventQueue.java b/platform/platform-impl/src/com/intellij/ide/IdeEventQueue.java
index 8eccf23303..4ad3015d48 100644
--- a/platform/platform-impl/src/com/intellij/ide/IdeEventQueue.java
+++ b/platform/platform-impl/src/com/intellij/ide/IdeEventQueue.java
@@ -84,6 +84,8 @@ public class IdeEventQueue extends EventQueue {
   private final IdePopupManager myPopupManager = new IdePopupManager();
 
 
+  private final ToolkitBugsProcessor myToolkitBugsProcessor = new ToolkitBugsProcessor();
+
   private boolean mySuspendMode;
 
   /**
@@ -611,7 +613,9 @@ public class IdeEventQueue extends EventQueue {
       throw pce;
     }
     catch (Throwable exc) {
-      LOG.error("Error during dispatching of " + e, exc);
+      if (!myToolkitBugsProcessor.process(exc)) {
+        LOG.error("Error during dispatching of " + e, exc);
+      }
     }
   }
 
diff --git a/platform/platform-impl/src/com/intellij/ide/ToolkitBugsProcessor.java b/platform/platform-impl/src/com/intellij/ide/ToolkitBugsProcessor.java
new file mode 100644
index 0000000000..eb75012615
--- /dev/null
+++ b/platform/platform-impl/src/com/intellij/ide/ToolkitBugsProcessor.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2000-2010 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.ide;
+
+import com.intellij.openapi.diagnostic.Logger;
+import com.intellij.openapi.util.registry.Registry;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ToolkitBugsProcessor {
+
+  private static final Logger LOG = Logger.getInstance("ToolkirBugProcessor");
+
+  List<Handler> myHandlers = new ArrayList<Handler>();
+
+  public ToolkitBugsProcessor() {
+    Class<?>[] classes = getClass().getDeclaredClasses();
+    for (Class<?> each : classes) {
+      if (each.equals(Handler.class)) continue;
+      if (Handler.class.isAssignableFrom(each)) {
+        try {
+          Handler eachHandler = (Handler)each.newInstance();
+          if (eachHandler.isActual()) {
+            myHandlers.add(eachHandler);
+          }
+        }
+        catch (Throwable e) {
+          LOG.error(e);
+          continue;
+        }
+      }
+    }
+  }
+
+  public boolean process(Throwable e) {
+    if (!Registry.is("ide.consumeKnownToolkitBugs")) return false;
+
+    for (Handler each : myHandlers) {
+      if (each.process(e)) {
+        LOG.info("Ignored exception by toolkit bug processor, bug id=" + each.toString());
+        return true;
+      }
+    }
+    return false;
+  }
+
+
+  abstract static class Handler {
+
+    abstract boolean process(Throwable e);
+
+    boolean isActual() {
+      return true;
+    }
+
+    @Override
+    public String toString() {
+      String className = getClass().getName();
+      String name = className.substring(className.lastIndexOf("$") + 1);
+      if (name.startsWith("Sun_")) {
+        name = name.substring("Sun_".length());
+        return "http://bugs.sun.com/view_bug.do?bug_id=" + name;
+      }
+      return super.toString();
+    }
+  }
+
+  static class Sun_6857057 extends Handler {
+    @Override
+    public boolean process(Throwable e) {
+      if (e instanceof ArrayIndexOutOfBoundsException) {
+        StackTraceElement[] stack = e.getStackTrace();
+        if (stack.length > 5) {
+          if (stack[0].getClassName().equals("sun.font.FontDesignMetrics")
+              && stack[0].getMethodName().equals("charsWidth")
+              && stack[5].getClassName().equals("javax.swing.text.CompositeView")
+              && stack[5].getMethodName().equals("viewToModel")) {
+            return true;
+          }
+        }
+      }
+      return false;
+    }
+  }
+}
diff --git a/platform/platform-resources-en/src/misc/registry.properties b/platform/platform-resources-en/src/misc/registry.properties
index 1540d23fe7..941a0d02e8 100644
--- a/platform/platform-resources-en/src/misc/registry.properties
+++ b/platform/platform-resources-en/src/misc/registry.properties
@@ -25,6 +25,7 @@ ide.debugMode.description=Record additonal information to make bug reports more
 ide.forcedShowTooltip=alt
 ide.forcedShowTooltip.description=Shortcut for forced show tooltip
 ide.popup.dropShadow=false
+ide.consumeKnownToolkitBugs=true
 
 ide.windowSystem.hScrollChars=15
 ide.windowSystem.vScrollChars=5
-- 
2.11.4.GIT